A39.50 Meningococcal carditis, unspecified

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.

MS-DRG index

Defines the logic of DRG(s) 314-316 in MDC 05.

Approximate ICD-9-CM (GEMs)

• 036.40 Meningococcal carditis, unspecified

Code annotations containing back-references to A39.50

Back-references to A39.50

• Type 1 Excludes: I52 Other heart disorders in diseases classified elsewhere ("meningococcal infection (A39.50)")

Diagnosis Index entries for A39.50

• Carditis (acute) (bacterial) (chronic) (subacute) › meningococcal
• Disease, diseased › heart (organic) › meningococcal
• Infection, infected, infective (opportunistic) › meningococcal › heart

Nearby codes

• A39.1 Waterhouse-Friderichsen syndrome
• A39.2 Acute meningococcemia
• A39.3 Chronic meningococcemia
• A39.4 Meningococcemia, unspecified
• A39.5 Meningococcal heart disease
• A39.50 Meningococcal carditis, unspecified (this code)
• A39.51 Meningococcal endocarditis
• A39.52 Meningococcal myocarditis
• A39.53 Meningococcal pericarditis
• A39.8 Other meningococcal infections
• A39.81 Meningococcal encephalitis